Chapter 7 Maintenance 47
NetSure 801 AG1 Power Supply System User Manual
Fixing screw
Slide switch
Rectifier
Figure 7-2 Replacing rectifier
4. Hold on the handle of the fault rectifier to pull out of it until it is drawn out of frame. The rectifier surface
temperature is high. Be careful to prevent it from falling and being damaged.
5. Dial the slide switch of the new rectifier to the top position. Hold on the handle of it and gently push it into the
cabinet (not absolutely).
6. Continue to push the rectifier until its panel contacts entirely with the rectifier cabinet panel. And then dial the slide
switch to the bottom position after input and output sockets connecting very well.
7. Tighten the screw on the handle in order to fix the rectifier on the cabinet.
8. The power indicator of the rectifier will be on after a short delay and the fan will run. Check the following items: the
controller can identify the new rectifier; the new one has the same current sharing with the others; the controller will
generate alarm when pulling out the new one. If all the checks are accordant, the new one operates normally.
7.4.3 Replacing SM DU
Note
SM DU is an important component. Improper setting will lead to serious results, even system breakdown. Users should to carry
out the replacement following the procedures strictly.
Setting software parameter
1. Connect one end of the RS232 crossover cable to the RS232 port of the SM DU, and the other end to the RS232
port of the computer.
2. Install and start the PowerKit configuration software according to the
PowerKit Configuration Software User
Manual
.
3. Double-click the shortcut icon
on the desktop.
After the software is started, the dialog box below will appear:
Figure 7-3 Verification form
4. Enter the user name (
“admin”) and password (“123”) and click
OK
. The following screen will appear.
